I took the mitt off and handed it to her, taking the opportunity to look at the developing bottom which was firm but starting to spread into a womanly...shape. No silly, you have to do it. Its very important that I have a real good clean down there. Mummy says so! Does mummy normally wash your privates? I asked her. Well daddy used to but hes not here so you will have to be daddy for tonight. A bit gobsmaked I replaced the mitt onto my hand, rubbed more soap onto it and gently massaged the soap. What you might do to be sure we do more." I guess show you my penis, uh, cock."So, Robbie stood up, unbuckled his belt, slid down his shorts and stood in front of me in his white briefs."Just don't laugh, okay?" Now, Robbie, where's your confidence. Maybe I really like young guys, maybe, you really turn me on. Okay?"And he pulled his briefs down, exposing his cock which was pointing directly at me."Oh, Robbie, you're a handsome guy, very nice." You really like it?" It's very nice. Long and with. I had to wank off else my mind would remain fixed. From that onwards I would always stare at her. I would wait for her to come and work in our home.I would stare at her breasts, ass, folds on her stomach with so much lust that she would not it evidentatly. I finished my junior college, got good grades and joined a college for higher education. As time progressed, I started to touch her ass in a very non sexual way.It is then that I noticed that she does not wear panties. But after sometime, I. My mother had just returned from her errands a few hours early. My fist thought was to move my sister off me, before my mom saw what was going on here. However, looking down I realized that I might not have to exert that extra amount of effort here. I hadn’t taken my sister’s underwear off but pushed some of the fabric to the side. And the baggy shirt that my sister was warring was obscuring most of my dick by shifting my weight I was able to completely hide it. “hu huu hu. I need to get.